Extreme summer heat is ravaging Tempest. Rimuru and crew visit a lake they've been told lies beyond the forest, and they change into swimsuits to start having fun... but Shion and Shuna seem dissatisfied with Rimuru's swimsuit. Veldora watches the gang from inside Rimuru's body as he plays a game of shogi with Ifrit. As the Storm Dragon, one who has never experienced swimsuits or water play, he struggles to understand what all the excitement is about...
all of you are powerful 
monsters surpassing rank A.
جميعكم وحوش أقوياء تفوقون الرّتبة أ
Ihr seid Dämonen über dem A-Rang.
son monstruos de rango A o superior.
son monstruos de rango A o superior.
vous demeurez de puissants monstres
d’un rang supérieur à la classe A.
siete comunque delle pericolose
bestie magiche che superano il livello A.
vocês são monstros poderosos,
acima do Nível A de força.
все вы — сильные магвери,
которые даже опаснее, чем А-ранг.